Case of renal metastasis of melanoma successfully controlled by a combination therapy of nivolumab and radiation. Issue 9 (25th March 2018) - Kasuya, Akira; Fukuchi, Kensuke; Sano, Yusuke; Tatsuno, Kazuki; Kitano, Seiya; Ishibe, Junichi; Fujiyama, Toshiharu; Tokura, Yoshiki